fodtudserne.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.91.97.254 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mx1.justworks.dk, mx2.justworks.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 144.91.97.254 | 360s | mail.justworks.dk | AS51167 | Contabo GmbH | 144.91.64.0/18 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.justworks.dk | 144.91.97.254 | mail.justworks.dk | AS51167 Contabo GmbH |
| 10 | 300s | mx2.justworks.dk | 144.91.97.254 | mail.justworks.dk | AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | fodtudserne.dk → 144.91.97.254 |
| 🔶 Autoconfig | fodtudserne.dk → 144.91.97.254 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | justworks.dk |
| TXT Record |
|---|
| v=spf1 ip4:144.91.97.254 ip4:95.128.27.10 ip4:95.128.27.9 ~all |
| Policy | Record (fodtudserne.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:144.91.97.254 ip4:95.128.27.10 ip4:95.128.27.9 ~all |
| Policy | Record (_dmarc.fodtudserne.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:postmaster@fodtudserne.dk |
| www CNAME | fodtudserne.dk (all on fodtudserne.dk) → 144.91.97.254 (AS51167) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 0/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.fodtudserne.dk | fodtudserne.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022072500 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | support@justworks.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-10-03 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 00:47:07 | 937ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 19:58:54 | 1170ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-26 19:52:43 | 552ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 02:19:32 | 1498ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 00:45:39 shown | 746ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 09:35:12 | 2831ms | 2 NS 1 A 2 MX | 🔓 Insecure |